Air spoiler for trucks



FIG. 1 is a front perspective view of an air spoiler for trucks showing my new design it being understood that the broken lines are for illustrative purposes only and form no part of the claimed design;

FIG. 2 is a front elevation view thereof;

FIG. 3 is a side elevation view thereof;

FIG. 4 is a side elevation view opposite that of FIG. 3;

FIG. 5 is a rear elevation view thereof;

FIG. 6 is a top plan view thereof;

FIG. 7 is a bottom plan view thereof;

FIG. 8 is an enlarged vertical section view taken substantially along the line 8--8 of FIG. 2; and,

FIG. 9 is an enlarged horizontal section view taken substantially along line 9--9 of FIG. 2. 

The ornamental design for an air spoiler for trucks, as shown and described. 